Curated OER
Bleach Chemical Reactions
Students learn what happens when bleach comes in contact with various cloth fibers, chemical colors, nature and synthetics.
Royal Society of Chemistry
Chemical Society: Chlorine
A concise summary of some of the most fundamental information on chlorine.
Encyclopedia of Earth
Encyclopedia of Earth: Chlorine
Information about the element, Chlorine, atomic number 17. Covers physical properties, atomic properties, how abundant it is on the Earth, and details about health-related regulations.
Other
Web ref.org: Chlorine
A few well done paragraphs on chlorine, with descriptions of the element and its properties. One nice feature is that any technical term has a link to help you better understand it.
TeachEngineering
Teach Engineering: Water Remediation Lab
Students measure the effectiveness of water filters in purifying contaminated water. They prepare test water by creating different concentrations of bleach (chlorine-contaminated) water. After passing the contaminated water through...
Chemicool
Chemicool: Chlorine
A very well organized set of data tables with just about all the basic information on chlorine and its properties that a student could ever want.
Chem4kids
Chem4 Kids: Chlorine (Cl)
The 17th element in the periodic table is defined, chlorine. Find out how many electrons chlorine has and where you can find it in nature and in the home.
Other
Chlorine Chemistry Division
This resource aims to promote the use and application of chlorine in a responsible manner. Tends to focus on the many positive applications and downplay and health risks associated with some chlorine compounds, but a good source of...
Science is Fun
University of Wisconsin: Chemical of the Week: Chlorine and Sodium Hydroxide
Science is Fun website on chlorine and sodium hydroxide. Shows reactions between the two, as well as general background on each.
American Chemical Society
Middle School Chemistry: Energy Levels, Electrons, and Ionic Bonding
Explore ionic molecular bonds and how electrons and their energy levels come into play.
Other
Chlorine Institute
The website from the Chlorine Institute provides information for a trade association of companies that make chlorine products. Lots of information and references, along with a search engine for the entire site.
Web Elements
Web Elements Periodic Table: Chlorine
An excellent source of basic data, chemical and physical properties and electron dot formula information on this element.
Chem4kids
Chem4 Kids: Element List
Site provides the first 18 elements found in the Periodic Table. Click on an element to discover where it is found and what it's characteristics are.
University Corporation for Atmospheric Research
Ucar: Ozone in the Troposphere
A detailed overview of the ground-level ozone, tropospheric ozone, with explanations about how it is called the bad ozone and how it varies day to day. All information is reinforced through pictures, graphs, and learning activities....
Science Struck
Science Struck: Halogen Family
Read about the non-metallic elements in the halogen family, what their chemical and physical properties are, their uses, and some interesting facts about them.
Other
Euro Chlor
Information from a European trade group of chlorine compound manufacturers. Lots of information, all well organized.
Other
Clorox.com
The largest manufacturer of chlorine bleach shares lots of information about its products.
US Environmental Protection Agency
Epa: Chemicals in the Environment
Information summaries on some chemicals and descriptions of how you might be exposed to these chemicals, how that exposure might affect the environment, etc. Please note that this type of information changes rapidly.
Other
Reach for Unbleached
A Canadian group that works to stop the use of chlorine compounds for bleaching in the paper industry. Interesting, but with a definite bias.
Ducksters
Ducksters: Chemistry for Kids: Elements: Chlorine
On this site, learn about chlorine's properties and characteristics. Kids can also learn about its chemistry including atomic weight, atom, uses, sources, name, and discovery.
US National Library of Medicine
Medline Plus: Electrolytes
This website provides a brief definition of "electrolytes" and a few examples of the types of electrolytes that exist in your blood.
Curated OER
[Bohr Model of Chlorine]
This site provides information about the element Chlorine (Cl), and includes its atomic structure, isotopes, and other facts.